./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422 --- 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-dbf71c6-m [2022-10-17 16:40:24,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:25,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:25,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:25,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:25,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:25,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:25,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:25,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:25,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:25,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:25,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:25,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:25,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:25,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:25,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:25,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:25,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:25,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:25,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:25,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:25,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:25,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:25,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:25,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:25,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:25,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:25,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:25,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:25,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:25,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:25,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:25,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:25,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:25,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:25,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:25,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:25,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:25,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:25,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:25,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:25,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:25,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:25,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:25,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:25,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:25,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:25,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:25,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:25,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:25,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:25,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:25,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:25,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:25,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:25,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:25,202 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:25,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:25,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:25,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:25,203 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:25,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:25,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:25,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:25,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:25,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:25,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:25,205 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:25,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:25,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:25,206 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_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422 [2022-10-17 16:40:25,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:25,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:25,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:25,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:25,544 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:25,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench/geo3-ll.c [2022-10-17 16:40:25,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/data/292ef4444/affde55016644dacb65f06df2e09cc1a/FLAG2e893c919 [2022-10-17 16:40:26,068 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:26,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/sv-benchmarks/c/nla-digbench/geo3-ll.c [2022-10-17 16:40:26,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/data/292ef4444/affde55016644dacb65f06df2e09cc1a/FLAG2e893c919 [2022-10-17 16:40:26,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/data/292ef4444/affde55016644dacb65f06df2e09cc1a [2022-10-17 16:40:26,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:26,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:26,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:26,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:26,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:26,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf728d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26, skipping insertion in model container [2022-10-17 16:40:26,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:26,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:26,687 WARN L230 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_32916e83-0ce7-403a-aa35-04a9491851f3/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538] [2022-10-17 16:40:26,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:26,712 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:26,723 WARN L230 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_32916e83-0ce7-403a-aa35-04a9491851f3/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538] [2022-10-17 16:40:26,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:26,742 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:26,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26 WrapperNode [2022-10-17 16:40:26,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:26,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:26,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:26,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:26,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,779 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-10-17 16:40:26,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:26,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:26,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:26,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:26,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:26,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:26,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:26,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:26,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:26,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:26,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:26,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32916e83-0ce7-403a-aa35-04a9491851f3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:40:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:40:26,959 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:26,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:27,085 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:27,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:27,113 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:40:27,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:27 BoogieIcfgContainer [2022-10-17 16:40:27,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:27,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:27,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:27,134 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:27,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:27" (1/1) ... [2022-10-17 16:40:27,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 16:40:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 16:40:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:27,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:40:27,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:40:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:40:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:27,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:27,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:40:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:40:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:28,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:40:28,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 36 transitions. [2022-10-17 16:40:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:40:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:29,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:30,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:40:30,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:35,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:40:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 44 transitions. [2022-10-17 16:40:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:40:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:40:35,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:36,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:40:36,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:57,799 WARN L233 SmtUtils]: Spent 19.94s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-17 16:40:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-10-17 16:41:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:41:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:41:05,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:06,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:41:06,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.