./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-hard1.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_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-hard1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 --- 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 [2022-12-13 21:22:19,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:22:19,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:22:19,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:22:19,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:22:19,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:22:19,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:22:19,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:22:19,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:22:19,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:22:19,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:22:19,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:22:19,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:22:19,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:22:19,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:22:19,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:22:19,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:22:19,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:22:19,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:22:19,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:22:19,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:22:19,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:22:19,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:22:19,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:22:19,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:22:19,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:22:19,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:22:19,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:22:19,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:22:19,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:22:19,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:22:19,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:22:19,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:22:19,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:22:19,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:22:19,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:22:19,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:22:19,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:22:19,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:22:19,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:22:19,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:22:19,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 21:22:19,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:22:19,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:22:19,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:22:19,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:22:19,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:22:19,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:22:19,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:22:19,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:22:19,646 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:22:19,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:22:19,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:22:19,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:22:19,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:22:19,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:22:19,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:22:19,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:22:19,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:22:19,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:22:19,650 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:22:19,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:22:19,651 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:22:19,651 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 [2022-12-13 21:22:19,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:22:19,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:22:19,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:22:19,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:22:19,869 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:22:19,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/test-hard1.wvr.c [2022-12-13 21:22:22,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:22:22,605 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:22:22,605 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/sv-benchmarks/c/weaver/test-hard1.wvr.c [2022-12-13 21:22:22,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/data/6ff4c8967/502b0c90fc0e45429ed90c66cd8ec2f0/FLAG092e6a934 [2022-12-13 21:22:22,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/data/6ff4c8967/502b0c90fc0e45429ed90c66cd8ec2f0 [2022-12-13 21:22:22,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:22:22,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:22:22,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:22:22,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:22:22,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:22:22,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2880dbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22, skipping insertion in model container [2022-12-13 21:22:22,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:22:22,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:22:22,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,832 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,832 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,840 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_38bbb42c-5408-4623-b691-b59830934856/sv-benchmarks/c/weaver/test-hard1.wvr.c[3373,3386] [2022-12-13 21:22:22,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:22:22,851 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:22:22,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:22:22,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:22:22,881 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_38bbb42c-5408-4623-b691-b59830934856/sv-benchmarks/c/weaver/test-hard1.wvr.c[3373,3386] [2022-12-13 21:22:22,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:22:22,896 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:22:22,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22 WrapperNode [2022-12-13 21:22:22,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:22:22,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:22:22,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:22:22,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:22:22,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,932 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2022-12-13 21:22:22,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:22:22,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:22:22,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:22:22,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:22:22,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:22:22,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:22:22,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:22:22,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:22:22,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (1/1) ... [2022-12-13 21:22:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:22:22,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:22:22,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:22:22,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:22:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:22:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 21:22:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 21:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 21:22:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:22:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:22:23,027 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 21:22:23,111 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:22:23,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:22:23,328 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:22:23,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:22:23,406 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 21:22:23,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:22:23 BoogieIcfgContainer [2022-12-13 21:22:23,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:22:23,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:22:23,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:22:23,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:22:23,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:22:22" (1/3) ... [2022-12-13 21:22:23,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46558206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:22:23, skipping insertion in model container [2022-12-13 21:22:23,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:22:22" (2/3) ... [2022-12-13 21:22:23,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46558206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:22:23, skipping insertion in model container [2022-12-13 21:22:23,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:22:23" (3/3) ... [2022-12-13 21:22:23,418 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2022-12-13 21:22:23,427 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:22:23,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:22:23,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 21:22:23,438 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:22:23,504 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-13 21:22:23,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 142 transitions, 316 flow [2022-12-13 21:22:23,591 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2022-12-13 21:22:23,591 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 21:22:23,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 138 events. 10/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-12-13 21:22:23,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 142 transitions, 316 flow [2022-12-13 21:22:23,599 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 115 transitions, 251 flow [2022-12-13 21:22:23,602 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:22:23,609 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 115 transitions, 251 flow [2022-12-13 21:22:23,611 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 115 transitions, 251 flow [2022-12-13 21:22:23,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 251 flow [2022-12-13 21:22:23,642 INFO L130 PetriNetUnfolder]: 9/115 cut-off events. [2022-12-13 21:22:23,642 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 21:22:23,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 9/115 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 114 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-12-13 21:22:23,646 INFO L119 LiptonReduction]: Number of co-enabled transitions 2520 [2022-12-13 21:22:27,461 INFO L134 LiptonReduction]: Checked pairs total: 4560 [2022-12-13 21:22:27,461 INFO L136 LiptonReduction]: Total number of compositions: 93 [2022-12-13 21:22:27,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:22:27,476 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=PETRI_NET, 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;@680db1c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:22:27,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 21:22:27,478 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2022-12-13 21:22:27,478 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:22:27,478 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:22:27,478 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:22:27,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 21:22:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash 17445264, now seen corresponding path program 1 times [2022-12-13 21:22:27,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:27,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383236761] [2022-12-13 21:22:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:27,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:22:27,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:27,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383236761] [2022-12-13 21:22:27,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383236761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:27,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:27,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:22:27,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044382238] [2022-12-13 21:22:27,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:27,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:22:27,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:27,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:22:27,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:22:27,633 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 235 [2022-12-13 21:22:27,635 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 99 flow. Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2022-12-13 21:22:27,635 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:22:27,635 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 235 [2022-12-13 21:22:27,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:22:27,911 INFO L130 PetriNetUnfolder]: 2050/2984 cut-off events. [2022-12-13 21:22:27,911 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-12-13 21:22:27,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6058 conditions, 2984 events. 2050/2984 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 16689 event pairs, 1965 based on Foata normal form. 0/1499 useless extension candidates. Maximal degree in co-relation 4942. Up to 2815 conditions per place. [2022-12-13 21:22:27,939 INFO L137 encePairwiseOnDemand]: 231/235 looper letters, 27 selfloop transitions, 0 changer transitions 0/35 dead transitions. [2022-12-13 21:22:27,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 35 transitions, 145 flow [2022-12-13 21:22:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:22:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:22:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 261 transitions. [2022-12-13 21:22:27,948 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5553191489361702 [2022-12-13 21:22:27,949 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 261 transitions. [2022-12-13 21:22:27,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 261 transitions. [2022-12-13 21:22:27,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:22:27,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 261 transitions. [2022-12-13 21:22:27,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 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) [2022-12-13 21:22:27,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2022-12-13 21:22:27,956 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2022-12-13 21:22:27,958 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 99 flow. Second operand 2 states and 261 transitions. [2022-12-13 21:22:27,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 35 transitions, 145 flow [2022-12-13 21:22:27,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 35 transitions, 132 flow, removed 0 selfloop flow, removed 7 redundant places. [2022-12-13 21:22:27,970 INFO L231 Difference]: Finished difference. Result has 38 places, 35 transitions, 78 flow [2022-12-13 21:22:27,971 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=38, PETRI_TRANSITIONS=35} [2022-12-13 21:22:27,974 INFO L288 CegarLoopForPetriNet]: 48 programPoint places, -10 predicate places. [2022-12-13 21:22:27,974 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 35 transitions, 78 flow [2022-12-13 21:22:27,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2022-12-13 21:22:27,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:22:27,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:22:27,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:22:27,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 21:22:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash 17445265, now seen corresponding path program 1 times [2022-12-13 21:22:27,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:27,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787459837] [2022-12-13 21:22:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:27,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:22:28,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:28,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787459837] [2022-12-13 21:22:28,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787459837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:28,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:28,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:22:28,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641958745] [2022-12-13 21:22:28,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:28,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:28,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:28,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:28,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:28,067 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 235 [2022-12-13 21:22:28,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 35 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2022-12-13 21:22:28,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:22:28,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 235 [2022-12-13 21:22:28,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:22:28,216 INFO L130 PetriNetUnfolder]: 1162/1732 cut-off events. [2022-12-13 21:22:28,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:22:28,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3454 conditions, 1732 events. 1162/1732 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 9142 event pairs, 1113 based on Foata normal form. 0/986 useless extension candidates. Maximal degree in co-relation 3451. Up to 1634 conditions per place. [2022-12-13 21:22:28,228 INFO L137 encePairwiseOnDemand]: 232/235 looper letters, 24 selfloop transitions, 1 changer transitions 0/33 dead transitions. [2022-12-13 21:22:28,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 124 flow [2022-12-13 21:22:28,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:22:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2022-12-13 21:22:28,230 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5191489361702127 [2022-12-13 21:22:28,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2022-12-13 21:22:28,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2022-12-13 21:22:28,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:22:28,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2022-12-13 21:22:28,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2022-12-13 21:22:28,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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) [2022-12-13 21:22:28,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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) [2022-12-13 21:22:28,233 INFO L175 Difference]: Start difference. First operand has 38 places, 35 transitions, 78 flow. Second operand 3 states and 366 transitions. [2022-12-13 21:22:28,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 124 flow [2022-12-13 21:22:28,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 33 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:22:28,234 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 76 flow [2022-12-13 21:22:28,234 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2022-12-13 21:22:28,234 INFO L288 CegarLoopForPetriNet]: 48 programPoint places, -10 predicate places. [2022-12-13 21:22:28,234 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 76 flow [2022-12-13 21:22:28,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2022-12-13 21:22:28,235 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:22:28,235 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:28,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:22:28,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 21:22:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash 55155194, now seen corresponding path program 1 times [2022-12-13 21:22:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:28,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646211093] [2022-12-13 21:22:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:22:28,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:28,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646211093] [2022-12-13 21:22:28,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646211093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:28,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:28,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:22:28,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943955284] [2022-12-13 21:22:28,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:28,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:28,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:28,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:28,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:28,371 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 235 [2022-12-13 21:22:28,371 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2022-12-13 21:22:28,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:22:28,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 235 [2022-12-13 21:22:28,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:22:28,459 INFO L130 PetriNetUnfolder]: 664/1023 cut-off events. [2022-12-13 21:22:28,459 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:22:28,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1023 events. 664/1023 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4953 event pairs, 624 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 2034. Up to 943 conditions per place. [2022-12-13 21:22:28,462 INFO L137 encePairwiseOnDemand]: 232/235 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2022-12-13 21:22:28,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 31 transitions, 118 flow [2022-12-13 21:22:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:22:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-12-13 21:22:28,464 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5163120567375886 [2022-12-13 21:22:28,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2022-12-13 21:22:28,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2022-12-13 21:22:28,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:22:28,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2022-12-13 21:22:28,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-12-13 21:22:28,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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) [2022-12-13 21:22:28,469 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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) [2022-12-13 21:22:28,469 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 76 flow. Second operand 3 states and 364 transitions. [2022-12-13 21:22:28,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 31 transitions, 118 flow [2022-12-13 21:22:28,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 31 transitions, 117 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:22:28,470 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2022-12-13 21:22:28,470 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2022-12-13 21:22:28,471 INFO L288 CegarLoopForPetriNet]: 48 programPoint places, -11 predicate places. [2022-12-13 21:22:28,471 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2022-12-13 21:22:28,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2022-12-13 21:22:28,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 21:22:28,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 21:22:28,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 21:22:28,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 21:22:28,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-12-13 21:22:28,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 21:22:28,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 21:22:28,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 21:22:28,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 21:22:28,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:22:28,477 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 21:22:28,481 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:22:28,481 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:22:28,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:22:28 BasicIcfg [2022-12-13 21:22:28,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:22:28,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:22:28,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:22:28,486 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:22:28,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:22:23" (3/4) ... [2022-12-13 21:22:28,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:22:28,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:22:28,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:22:28,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 21:22:28,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-13 21:22:28,495 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-13 21:22:28,495 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:22:28,495 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:22:28,496 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:22:28,525 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:22:28,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:22:28,526 INFO L158 Benchmark]: Toolchain (without parser) took 5894.95ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 108.5MB in the beginning and 83.5MB in the end (delta: 25.0MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,526 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 108.2MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:22:28,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.62ms. Allocated memory is still 146.8MB. Free memory was 108.4MB in the beginning and 93.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.02ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,527 INFO L158 Benchmark]: Boogie Preprocessor took 28.49ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,528 INFO L158 Benchmark]: RCFGBuilder took 446.78ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 68.0MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,528 INFO L158 Benchmark]: TraceAbstraction took 5073.25ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 67.3MB in the beginning and 86.6MB in the end (delta: -19.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,529 INFO L158 Benchmark]: Witness Printer took 39.86ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:22:28,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 108.2MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.62ms. Allocated memory is still 146.8MB. Free memory was 108.4MB in the beginning and 93.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.02ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.49ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.78ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 68.0MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5073.25ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 67.3MB in the beginning and 86.6MB in the end (delta: -19.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 39.86ms. Allocated memory is still 176.2MB. Free memory was 86.6MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 119 PlacesBefore, 48 PlacesAfterwards, 115 TransitionsBefore, 39 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 93 TotalNumberOfCompositions, 4560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3726, independent: 3664, independent conditional: 0, independent unconditional: 3664, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1195, independent: 1181, independent conditional: 0, independent unconditional: 1181, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3726, independent: 2483, independent conditional: 0, independent unconditional: 2483, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 1195, unknown conditional: 0, unknown unconditional: 1195] , Statistics on independence cache: Total cache size (in pairs): 228, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 173 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:22:28,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38bbb42c-5408-4623-b691-b59830934856/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE