./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:57:37,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:57:37,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:57:37,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:57:37,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:57:37,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:57:37,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:57:37,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:57:37,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:57:37,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:57:37,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:57:37,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:57:37,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:57:37,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:57:37,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:57:37,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:57:37,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:57:37,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:57:37,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:57:37,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:57:37,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:57:37,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:57:37,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:57:37,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:57:37,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:57:37,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:57:37,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:57:37,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:57:37,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:57:37,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:57:37,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:57:37,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:57:37,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:57:37,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:57:37,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:57:37,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:57:37,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:57:37,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:57:37,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:57:37,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:57:37,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:57:37,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 11:57:37,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:57:37,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:57:37,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:57:37,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:57:37,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:57:37,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:57:37,868 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:57:37,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:57:37,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:57:37,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:57:37,869 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:57:37,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:57:37,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:57:37,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:57:37,870 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:57:37,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:57:37,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:57:37,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:57:37,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:57:37,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:57:37,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:57:37,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:57:37,873 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:57:37,873 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:57:37,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:57:37,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:57:37,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:57:37,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:57:37,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:57:37,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:57:37,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:57:37,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:57:37,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:57:37,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 [2022-12-14 11:57:38,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:57:38,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:57:38,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:57:38,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:57:38,067 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:57:38,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2022-12-14 11:57:40,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:57:40,936 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:57:40,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2022-12-14 11:57:40,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/data/a199e1bc5/7872e8cf14df4144abd4d06c8cde91ae/FLAG3e24e6f70 [2022-12-14 11:57:40,960 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/data/a199e1bc5/7872e8cf14df4144abd4d06c8cde91ae [2022-12-14 11:57:40,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:57:40,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:57:40,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:57:40,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:57:40,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:57:40,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:57:40" (1/1) ... [2022-12-14 11:57:40,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bd00cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:40, skipping insertion in model container [2022-12-14 11:57:40,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:57:40" (1/1) ... [2022-12-14 11:57:40,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:57:41,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:57:41,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c[18874,18887] [2022-12-14 11:57:41,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:57:41,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:57:41,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:57:41,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:57:41,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c[18874,18887] [2022-12-14 11:57:41,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:57:41,354 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:57:41,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41 WrapperNode [2022-12-14 11:57:41,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:57:41,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:57:41,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:57:41,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:57:41,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,432 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2512 [2022-12-14 11:57:41,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:57:41,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:57:41,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:57:41,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:57:41,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:57:41,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:57:41,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:57:41,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:57:41,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (1/1) ... [2022-12-14 11:57:41,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:57:41,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:57:41,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:57:41,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 11:57:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 11:57:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 11:57:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 11:57:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:57:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:57:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:57:41,590 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 11:57:41,762 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:57:41,763 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:57:43,390 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:57:46,273 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:57:46,273 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-12-14 11:57:46,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:57:46 BoogieIcfgContainer [2022-12-14 11:57:46,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:57:46,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:57:46,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:57:46,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:57:46,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:57:40" (1/3) ... [2022-12-14 11:57:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1c2941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:57:46, skipping insertion in model container [2022-12-14 11:57:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:57:41" (2/3) ... [2022-12-14 11:57:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1c2941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:57:46, skipping insertion in model container [2022-12-14 11:57:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:57:46" (3/3) ... [2022-12-14 11:57:46,285 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2022-12-14 11:57:46,292 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:57:46,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:57:46,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2022-12-14 11:57:46,300 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:57:47,255 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-14 11:57:47,284 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:57:47,294 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 796 places, 865 transitions, 1754 flow [2022-12-14 11:57:47,296 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 796 places, 865 transitions, 1754 flow [2022-12-14 11:57:47,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 796 places, 865 transitions, 1754 flow [2022-12-14 11:57:47,566 INFO L130 PetriNetUnfolder]: 79/862 cut-off events. [2022-12-14 11:57:47,566 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-14 11:57:47,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 862 events. 79/862 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1546 event pairs, 0 based on Foata normal form. 0/681 useless extension candidates. Maximal degree in co-relation 762. Up to 7 conditions per place. [2022-12-14 11:57:47,585 INFO L119 LiptonReduction]: Number of co-enabled transitions 37230 [2022-12-14 12:00:49,802 INFO L134 LiptonReduction]: Checked pairs total: 45184 [2022-12-14 12:00:49,802 INFO L136 LiptonReduction]: Total number of compositions: 1053 [2022-12-14 12:00:49,810 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 149 places, 163 transitions, 350 flow [2022-12-14 12:00:50,810 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 57752 states, 38046 states have (on average 5.703122535877622) internal successors, (216981), 57751 states have internal predecessors, (216981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:50,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:00:50,833 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59f9c971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:00:50,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2022-12-14 12:00:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 57752 states, 38046 states have (on average 5.703122535877622) internal successors, (216981), 57751 states have internal predecessors, (216981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 12:00:50,892 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:00:50,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 12:00:50,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:00:50,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:00:50,899 INFO L85 PathProgramCache]: Analyzing trace with hash 311078, now seen corresponding path program 1 times [2022-12-14 12:00:50,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:00:50,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722898763] [2022-12-14 12:00:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:00:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:00:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:00:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:51,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:00:51,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722898763] [2022-12-14 12:00:51,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722898763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:00:51,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:00:51,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:00:51,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591945751] [2022-12-14 12:00:51,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:00:51,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:00:51,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:00:51,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:00:51,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:00:51,268 INFO L87 Difference]: Start difference. First operand has 57752 states, 38046 states have (on average 5.703122535877622) internal successors, (216981), 57751 states have internal predecessors, (216981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:00:52,535 INFO L93 Difference]: Finished difference Result 40779 states and 157475 transitions. [2022-12-14 12:00:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:00:52,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-12-14 12:00:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:00:52,885 INFO L225 Difference]: With dead ends: 40779 [2022-12-14 12:00:52,885 INFO L226 Difference]: Without dead ends: 40779 [2022-12-14 12:00:52,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:00:52,888 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:00:52,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 0 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:00:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40779 states. [2022-12-14 12:00:53,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40779 to 20414. [2022-12-14 12:00:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20414 states, 14559 states have (on average 5.4106738100144245) internal successors, (78774), 20413 states have internal predecessors, (78774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20414 states to 20414 states and 78774 transitions. [2022-12-14 12:00:54,036 INFO L78 Accepts]: Start accepts. Automaton has 20414 states and 78774 transitions. Word has length 2 [2022-12-14 12:00:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:00:54,036 INFO L495 AbstractCegarLoop]: Abstraction has 20414 states and 78774 transitions. [2022-12-14 12:00:54,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 78774 transitions. [2022-12-14 12:00:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 12:00:54,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:00:54,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 12:00:54,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:00:54,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:00:54,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:00:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 9656524, now seen corresponding path program 1 times [2022-12-14 12:00:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:00:54,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091579267] [2022-12-14 12:00:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:00:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:00:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:00:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:54,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:00:54,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091579267] [2022-12-14 12:00:54,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091579267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:00:54,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:00:54,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:00:54,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77990738] [2022-12-14 12:00:54,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:00:54,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:00:54,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:00:54,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:00:54,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:00:54,156 INFO L87 Difference]: Start difference. First operand 20414 states and 78774 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:00:54,663 INFO L93 Difference]: Finished difference Result 20402 states and 78762 transitions. [2022-12-14 12:00:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:00:54,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 12:00:54,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:00:54,766 INFO L225 Difference]: With dead ends: 20402 [2022-12-14 12:00:54,766 INFO L226 Difference]: Without dead ends: 20402 [2022-12-14 12:00:54,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:00:54,768 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 95 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:00:54,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 0 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:00:54,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20402 states. [2022-12-14 12:00:55,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20402 to 20402. [2022-12-14 12:00:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20402 states, 14559 states have (on average 5.409849577580878) internal successors, (78762), 20401 states have internal predecessors, (78762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20402 states to 20402 states and 78762 transitions. [2022-12-14 12:00:55,388 INFO L78 Accepts]: Start accepts. Automaton has 20402 states and 78762 transitions. Word has length 3 [2022-12-14 12:00:55,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:00:55,388 INFO L495 AbstractCegarLoop]: Abstraction has 20402 states and 78762 transitions. [2022-12-14 12:00:55,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 20402 states and 78762 transitions. [2022-12-14 12:00:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 12:00:55,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:00:55,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 12:00:55,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:00:55,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:00:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:00:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 9656525, now seen corresponding path program 1 times [2022-12-14 12:00:55,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:00:55,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612054014] [2022-12-14 12:00:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:00:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:00:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:00:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:55,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:00:55,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612054014] [2022-12-14 12:00:55,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612054014] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:00:55,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915994782] [2022-12-14 12:00:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:00:55,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:00:55,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:00:55,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:00:55,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:00:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:00:56,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:00:56,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:00:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:56,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:00:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:56,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915994782] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:00:56,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [661359265] [2022-12-14 12:00:56,511 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Construction of path programs is not yet supported for concurrent programs at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 12:00:56,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:00:56,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2022-12-14 12:00:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357025518] [2022-12-14 12:00:56,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:00:56,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:00:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:00:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:00:56,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:00:56,514 INFO L87 Difference]: Start difference. First operand 20402 states and 78762 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:00:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:00:58,413 INFO L93 Difference]: Finished difference Result 101898 states and 393638 transitions. [2022-12-14 12:00:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:00:58,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 12:00:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:00:59,064 INFO L225 Difference]: With dead ends: 101898 [2022-12-14 12:00:59,064 INFO L226 Difference]: Without dead ends: 101898 [2022-12-14 12:00:59,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:00:59,065 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:00:59,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 0 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 12:00:59,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101898 states. [2022-12-14 12:01:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101898 to 20438. [2022-12-14 12:01:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20438 states, 14595 states have (on average 5.401438848920863) internal successors, (78834), 20437 states have internal predecessors, (78834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20438 states to 20438 states and 78834 transitions. [2022-12-14 12:01:00,371 INFO L78 Accepts]: Start accepts. Automaton has 20438 states and 78834 transitions. Word has length 3 [2022-12-14 12:01:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:00,372 INFO L495 AbstractCegarLoop]: Abstraction has 20438 states and 78834 transitions. [2022-12-14 12:01:00,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 20438 states and 78834 transitions. [2022-12-14 12:01:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 12:01:00,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:00,373 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1] [2022-12-14 12:01:00,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:01:00,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:00,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:00,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:00,577 INFO L85 PathProgramCache]: Analyzing trace with hash -72288089, now seen corresponding path program 2 times [2022-12-14 12:01:00,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:00,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506721954] [2022-12-14 12:01:00,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:00,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:00,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:00,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506721954] [2022-12-14 12:01:00,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506721954] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:00,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215364616] [2022-12-14 12:01:00,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:01:00,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:00,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:00,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:00,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:01:01,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:01:01,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:01:01,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:01:01,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 12:01:01,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:01:01,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215364616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:01,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:01:01,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2022-12-14 12:01:01,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926885605] [2022-12-14 12:01:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:01,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:01:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:01:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:01,791 INFO L87 Difference]: Start difference. First operand 20438 states and 78834 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:02,129 INFO L93 Difference]: Finished difference Result 20429 states and 78825 transitions. [2022-12-14 12:01:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:01:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 12:01:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:02,218 INFO L225 Difference]: With dead ends: 20429 [2022-12-14 12:01:02,218 INFO L226 Difference]: Without dead ends: 20429 [2022-12-14 12:01:02,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:02,219 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:02,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:01:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20429 states. [2022-12-14 12:01:02,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20429 to 20393. [2022-12-14 12:01:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20393 states, 14559 states have (on average 5.409231403255718) internal successors, (78753), 20392 states have internal predecessors, (78753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20393 states to 20393 states and 78753 transitions. [2022-12-14 12:01:02,655 INFO L78 Accepts]: Start accepts. Automaton has 20393 states and 78753 transitions. Word has length 6 [2022-12-14 12:01:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:02,655 INFO L495 AbstractCegarLoop]: Abstraction has 20393 states and 78753 transitions. [2022-12-14 12:01:02,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 20393 states and 78753 transitions. [2022-12-14 12:01:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 12:01:02,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:02,656 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2022-12-14 12:01:02,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:01:02,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:02,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:02,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1515120587, now seen corresponding path program 1 times [2022-12-14 12:01:02,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:02,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737054828] [2022-12-14 12:01:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:02,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 12:01:02,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:02,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737054828] [2022-12-14 12:01:02,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737054828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:02,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:01:02,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:01:02,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374955969] [2022-12-14 12:01:02,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:02,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:01:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:01:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:01:02,987 INFO L87 Difference]: Start difference. First operand 20393 states and 78753 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:03,438 INFO L93 Difference]: Finished difference Result 20396 states and 78756 transitions. [2022-12-14 12:01:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:01:03,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 12:01:03,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:03,542 INFO L225 Difference]: With dead ends: 20396 [2022-12-14 12:01:03,542 INFO L226 Difference]: Without dead ends: 20396 [2022-12-14 12:01:03,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:01:03,543 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:03,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:01:03,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20396 states. [2022-12-14 12:01:04,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20396 to 20396. [2022-12-14 12:01:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20396 states, 14562 states have (on average 5.408323032550474) internal successors, (78756), 20395 states have internal predecessors, (78756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20396 states to 20396 states and 78756 transitions. [2022-12-14 12:01:04,351 INFO L78 Accepts]: Start accepts. Automaton has 20396 states and 78756 transitions. Word has length 9 [2022-12-14 12:01:04,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:04,351 INFO L495 AbstractCegarLoop]: Abstraction has 20396 states and 78756 transitions. [2022-12-14 12:01:04,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 20396 states and 78756 transitions. [2022-12-14 12:01:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:01:04,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:04,352 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:04,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:01:04,353 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:04,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1092737002, now seen corresponding path program 1 times [2022-12-14 12:01:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:04,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076899616] [2022-12-14 12:01:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:01:04,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:04,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076899616] [2022-12-14 12:01:04,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076899616] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:04,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262142311] [2022-12-14 12:01:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:04,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:04,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:01:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:05,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:01:05,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:01:05,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:01:05,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262142311] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:01:05,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [560610633] [2022-12-14 12:01:05,748 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Construction of path programs is not yet supported for concurrent programs at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 12:01:05,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:05,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-14 12:01:05,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581863510] [2022-12-14 12:01:05,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:01:05,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:01:05,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:05,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:01:05,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:05,750 INFO L87 Difference]: Start difference. First operand 20396 states and 78756 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:06,339 INFO L93 Difference]: Finished difference Result 20417 states and 78765 transitions. [2022-12-14 12:01:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:01:06,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 12:01:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:06,439 INFO L225 Difference]: With dead ends: 20417 [2022-12-14 12:01:06,439 INFO L226 Difference]: Without dead ends: 20417 [2022-12-14 12:01:06,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:06,440 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:06,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:01:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20417 states. [2022-12-14 12:01:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20417 to 20417. [2022-12-14 12:01:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20417 states, 14583 states have (on average 5.4011520263320305) internal successors, (78765), 20416 states have internal predecessors, (78765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20417 states to 20417 states and 78765 transitions. [2022-12-14 12:01:06,935 INFO L78 Accepts]: Start accepts. Automaton has 20417 states and 78765 transitions. Word has length 12 [2022-12-14 12:01:06,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:06,935 INFO L495 AbstractCegarLoop]: Abstraction has 20417 states and 78765 transitions. [2022-12-14 12:01:06,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20417 states and 78765 transitions. [2022-12-14 12:01:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 12:01:06,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:06,936 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-12-14 12:01:06,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 12:01:07,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:07,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:07,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash 496345355, now seen corresponding path program 2 times [2022-12-14 12:01:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:07,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138772347] [2022-12-14 12:01:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 12:01:07,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:07,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138772347] [2022-12-14 12:01:07,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138772347] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:07,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76878862] [2022-12-14 12:01:07,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:01:07,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:07,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:07,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:07,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:01:08,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:01:08,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:01:08,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:01:08,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 12:01:08,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:01:08,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76878862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:08,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:01:08,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2022-12-14 12:01:08,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193638505] [2022-12-14 12:01:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:08,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:01:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:08,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:01:08,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:08,363 INFO L87 Difference]: Start difference. First operand 20417 states and 78765 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:08,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:08,716 INFO L93 Difference]: Finished difference Result 20414 states and 78762 transitions. [2022-12-14 12:01:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:01:08,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-14 12:01:08,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:08,793 INFO L225 Difference]: With dead ends: 20414 [2022-12-14 12:01:08,793 INFO L226 Difference]: Without dead ends: 20414 [2022-12-14 12:01:08,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:01:08,794 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:08,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:01:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20414 states. [2022-12-14 12:01:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20414 to 20414. [2022-12-14 12:01:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20414 states, 14583 states have (on average 5.400946307344168) internal successors, (78762), 20413 states have internal predecessors, (78762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20414 states to 20414 states and 78762 transitions. [2022-12-14 12:01:09,288 INFO L78 Accepts]: Start accepts. Automaton has 20414 states and 78762 transitions. Word has length 21 [2022-12-14 12:01:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:09,288 INFO L495 AbstractCegarLoop]: Abstraction has 20414 states and 78762 transitions. [2022-12-14 12:01:09,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 78762 transitions. [2022-12-14 12:01:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 12:01:09,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:09,289 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:09,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:01:09,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:09,491 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:09,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash 693241704, now seen corresponding path program 1 times [2022-12-14 12:01:09,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:09,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722598770] [2022-12-14 12:01:09,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 12:01:09,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:09,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722598770] [2022-12-14 12:01:09,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722598770] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:09,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152593917] [2022-12-14 12:01:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:09,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:09,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:09,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:01:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:10,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 12:01:10,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 12:01:10,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 12:01:10,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152593917] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:01:10,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [920806262] [2022-12-14 12:01:10,918 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 12:01:10,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:10,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-12-14 12:01:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547207606] [2022-12-14 12:01:10,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:01:10,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 12:01:10,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 12:01:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-14 12:01:10,920 INFO L87 Difference]: Start difference. First operand 20414 states and 78762 transitions. Second operand has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:11,708 INFO L93 Difference]: Finished difference Result 20432 states and 78780 transitions. [2022-12-14 12:01:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 12:01:11,709 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-12-14 12:01:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:11,853 INFO L225 Difference]: With dead ends: 20432 [2022-12-14 12:01:11,853 INFO L226 Difference]: Without dead ends: 20432 [2022-12-14 12:01:11,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-14 12:01:11,854 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:11,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:01:11,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20432 states. [2022-12-14 12:01:12,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20432 to 20432. [2022-12-14 12:01:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20432 states, 14601 states have (on average 5.395520854735977) internal successors, (78780), 20431 states have internal predecessors, (78780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20432 states to 20432 states and 78780 transitions. [2022-12-14 12:01:12,268 INFO L78 Accepts]: Start accepts. Automaton has 20432 states and 78780 transitions. Word has length 51 [2022-12-14 12:01:12,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:12,268 INFO L495 AbstractCegarLoop]: Abstraction has 20432 states and 78780 transitions. [2022-12-14 12:01:12,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 20432 states and 78780 transitions. [2022-12-14 12:01:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 12:01:12,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:12,270 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:12,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 12:01:12,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:12,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:12,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:12,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2018526972, now seen corresponding path program 2 times [2022-12-14 12:01:12,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:12,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286501733] [2022-12-14 12:01:12,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:12,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 12:01:12,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:12,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286501733] [2022-12-14 12:01:12,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286501733] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:12,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108224406] [2022-12-14 12:01:12,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:01:12,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:12,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:12,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:12,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:01:18,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 12:01:18,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:01:18,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 12:01:18,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 12:01:18,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 12:01:18,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108224406] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:01:18,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [276115349] [2022-12-14 12:01:18,264 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 12:01:18,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:18,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-12-14 12:01:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431505338] [2022-12-14 12:01:18,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:01:18,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 12:01:18,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:18,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 12:01:18,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:01:18,267 INFO L87 Difference]: Start difference. First operand 20432 states and 78780 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:18,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:18,787 INFO L93 Difference]: Finished difference Result 20453 states and 78801 transitions. [2022-12-14 12:01:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 12:01:18,788 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-12-14 12:01:18,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:18,862 INFO L225 Difference]: With dead ends: 20453 [2022-12-14 12:01:18,862 INFO L226 Difference]: Without dead ends: 20453 [2022-12-14 12:01:18,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:01:18,863 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:18,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:01:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20453 states. [2022-12-14 12:01:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20453 to 20453. [2022-12-14 12:01:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20453 states, 14622 states have (on average 5.3892080426754205) internal successors, (78801), 20452 states have internal predecessors, (78801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:19,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20453 states to 20453 states and 78801 transitions. [2022-12-14 12:01:19,291 INFO L78 Accepts]: Start accepts. Automaton has 20453 states and 78801 transitions. Word has length 69 [2022-12-14 12:01:19,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:19,292 INFO L495 AbstractCegarLoop]: Abstraction has 20453 states and 78801 transitions. [2022-12-14 12:01:19,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 20453 states and 78801 transitions. [2022-12-14 12:01:19,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 12:01:19,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:19,293 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:19,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:01:19,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 12:01:19,495 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash -651473881, now seen corresponding path program 3 times [2022-12-14 12:01:19,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:19,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322204413] [2022-12-14 12:01:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:19,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 12:01:20,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:20,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322204413] [2022-12-14 12:01:20,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322204413] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:20,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906253323] [2022-12-14 12:01:20,215 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:01:20,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:20,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:20,216 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:20,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:01:21,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:01:21,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:01:21,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 12:01:21,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 12:01:21,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 12:01:21,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906253323] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:01:21,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1361435997] [2022-12-14 12:01:21,344 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 12:01:21,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:21,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-12-14 12:01:21,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712337080] [2022-12-14 12:01:21,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:01:21,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-14 12:01:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:21,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-14 12:01:21,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2022-12-14 12:01:21,346 INFO L87 Difference]: Start difference. First operand 20453 states and 78801 transitions. Second operand has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:21,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:21,837 INFO L93 Difference]: Finished difference Result 20456 states and 78804 transitions. [2022-12-14 12:01:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 12:01:21,838 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-12-14 12:01:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:21,911 INFO L225 Difference]: With dead ends: 20456 [2022-12-14 12:01:21,912 INFO L226 Difference]: Without dead ends: 20456 [2022-12-14 12:01:21,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 154 SyntacticMatches, 12 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2022-12-14 12:01:21,913 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:21,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:01:21,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20456 states. [2022-12-14 12:01:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20456 to 20456. [2022-12-14 12:01:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20456 states, 14625 states have (on average 5.388307692307692) internal successors, (78804), 20455 states have internal predecessors, (78804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20456 states to 20456 states and 78804 transitions. [2022-12-14 12:01:22,432 INFO L78 Accepts]: Start accepts. Automaton has 20456 states and 78804 transitions. Word has length 90 [2022-12-14 12:01:22,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:22,432 INFO L495 AbstractCegarLoop]: Abstraction has 20456 states and 78804 transitions. [2022-12-14 12:01:22,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 29 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20456 states and 78804 transitions. [2022-12-14 12:01:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 12:01:22,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:22,433 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:22,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 12:01:22,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:22,635 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2022-12-14 12:01:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:22,638 INFO L85 PathProgramCache]: Analyzing trace with hash -288968580, now seen corresponding path program 4 times [2022-12-14 12:01:22,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:22,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655085981] [2022-12-14 12:01:22,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:22,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 12:01:27,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:27,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655085981] [2022-12-14 12:01:27,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655085981] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:27,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896297123] [2022-12-14 12:01:27,819 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 12:01:27,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:27,820 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:27,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba0fdf2-63c8-4c15-9e01-c54463800315/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:01:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:29,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 284 conjunts are in the unsatisfiable core [2022-12-14 12:01:29,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:29,205 INFO L321 Elim1Store]: treesize reduction 56, result has 37.8 percent of original size [2022-12-14 12:01:29,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 39 [2022-12-14 12:01:29,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:29,381 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:29,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:29,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,506 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:29,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:29,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,671 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:29,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:29,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:29,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:30,324 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:01:30,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 12:01:30,397 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:30,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-12-14 12:01:30,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 12:01:30,490 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:30,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 28 [2022-12-14 12:01:30,573 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:30,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 28 [2022-12-14 12:01:30,663 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:30,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 28 [2022-12-14 12:01:30,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:30,757 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 12:01:30,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 32 [2022-12-14 12:01:30,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:30,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:30,877 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:30,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:30,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:30,964 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:30,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:31,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,075 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,181 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:31,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,282 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,369 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:31,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,472 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:31,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:31,567 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:01:31,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:01:31,621 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:31,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:31,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:31,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:31,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:32,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 12:01:32,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-14 12:01:32,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:32,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:32,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:32,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:32,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:32,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:32,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:32,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:32,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-12-14 12:01:33,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:01:33,200 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:01:33,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-14 12:01:33,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,674 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:01:33,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2022-12-14 12:01:33,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:33,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,239 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 12:01:34,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2022-12-14 12:01:34,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:01:34,982 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 12:01:34,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2022-12-14 12:01:35,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:01:35,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:35,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:36,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 12:01:36,749 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:01:36,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2022-12-14 12:01:37,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:01:37,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:38,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:38,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 12:01:39,231 INFO L321 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2022-12-14 12:01:39,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 46 [2022-12-14 12:01:39,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:01:39,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:39,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-12-14 12:01:39,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 12:01:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:40,099 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:40,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 36 [2022-12-14 12:01:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 12:01:40,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:40,454 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~index_of_0~0.offset 16))) (and (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse0 (select (select .cse1 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (<= .cse0 (+ (select (select .cse1 c_~index_of_0~0.base) .cse2) 2147483648)))))) (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse3 (select (select .cse4 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (<= 0 .cse3) (not (<= 0 (+ .cse3 4294967295))) (<= .cse3 (+ (select (select .cse4 c_~index_of_0~0.base) .cse2) 2147483648)))))))) is different from false [2022-12-14 12:01:43,206 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~index_of_0~0.offset 16)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse5 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse0 (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1))) (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| .cse0)) (forall ((v_ArrVal_1719 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| 1))) (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int) (v_ArrVal_1721 Int) (v_ArrVal_1723 Int)) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store .cse4 .cse5 v_ArrVal_1719) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1721) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1723)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse1 (select (select .cse2 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (<= 0 .cse1) (<= .cse1 (+ 2147483648 (select (select .cse2 c_~index_of_0~0.base) .cse3))) (not (<= 0 (+ .cse1 4294967295))))))))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| Int)) (or (forall ((v_ArrVal_1719 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| 1))) (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int) (v_ArrVal_1721 Int) (v_ArrVal_1723 Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store .cse4 .cse5 v_ArrVal_1719) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1721) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1723)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse6 (select (select .cse7 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (not (<= .cse6 0)) (not (<= 0 .cse6)) (<= .cse6 (+ 2147483648 (select (select .cse7 c_~index_of_0~0.base) .cse3))))))))) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| .cse0)))))) is different from false [2022-12-14 12:01:45,369 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~index_of_0~0.offset 16)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse5 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse0 (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1))) (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| .cse0)) (forall ((v_ArrVal_1716 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| 1))) (forall ((v_ArrVal_1719 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| 1))) (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int) (v_ArrVal_1721 Int) (v_ArrVal_1723 Int)) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store .cse4 .cse5 v_ArrVal_1716) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1719) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1721) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1723)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse1 (select (select .cse2 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (not (<= 0 (+ 4294967295 .cse1))) (<= 0 .cse1) (<= .cse1 (+ (select (select .cse2 c_~index_of_0~0.base) .cse3) 2147483648)))))))))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| Int)) (or (forall ((v_ArrVal_1716 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| 1))) (forall ((v_ArrVal_1719 Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| Int)) (or (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012| (+ |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013| 1))) (forall ((v_ArrVal_1724 (Array Int Int)) (~index_of_4~0.offset Int) (v_ArrVal_1721 Int) (v_ArrVal_1723 Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store .cse4 .cse5 v_ArrVal_1716) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1719) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1013|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1721) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1012|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1723)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1724))) (let ((.cse6 (select (select .cse7 c_~index_of_4~0.base) (+ 16 ~index_of_4~0.offset)))) (or (<= .cse6 (+ (select (select .cse7 c_~index_of_0~0.base) .cse3) 2147483648)) (not (<= .cse6 0)) (not (<= 0 .cse6)))))))))) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_1014| .cse0)))))) is different from false [2022-12-14 12:07:41,528 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:08:30,427 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:09:35,159 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)