./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:28:48,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:28:48,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 16:28:48,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:28:48,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:28:48,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:28:48,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:28:48,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:28:48,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:28:48,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:28:48,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:28:48,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:28:48,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:28:48,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:28:48,805 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:28:48,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:28:48,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:28:48,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:28:48,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:28:48,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:28:48,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:28:48,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:28:48,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:28:48,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:28:48,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:28:48,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:28:48,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:28:48,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:28:48,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:28:48,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:28:48,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:28:48,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:28:48,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:28:48,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:28:48,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:28:48,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:28:48,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:28:48,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:28:48,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:28:48,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:28:48,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:28:48,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:28:48,821 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:28:48,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:28:48,822 INFO L153 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_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2024-11-08 16:28:49,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:28:49,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:28:49,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:28:49,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:28:49,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:28:49,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c Unable to find full path for "g++" [2024-11-08 16:28:51,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:28:51,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:28:51,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-08 16:28:51,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/data/cdd459023/0fbf9eca857742678c5afa8a924e5008/FLAG29ae86b94 [2024-11-08 16:28:51,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/data/cdd459023/0fbf9eca857742678c5afa8a924e5008 [2024-11-08 16:28:51,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:28:51,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:28:51,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:51,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:28:51,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:28:51,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae8a096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51, skipping insertion in model container [2024-11-08 16:28:51,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:28:51,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:51,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:28:51,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:51,782 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:28:51,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51 WrapperNode [2024-11-08 16:28:51,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:51,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:51,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:28:51,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:28:51,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,848 INFO L138 Inliner]: procedures = 28, calls = 59, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 470 [2024-11-08 16:28:51,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:51,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:28:51,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:28:51,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:28:51,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,888 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-08 16:28:51,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:28:51,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:28:51,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:28:51,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:28:51,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (1/1) ... [2024-11-08 16:28:51,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:28:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:28:51,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:28:51,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f15ea-6f9c-41cb-a050-8a94cc985a12/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:28:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:28:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:28:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:28:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:28:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:28:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 16:28:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 16:28:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 16:28:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 16:28:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 16:28:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 16:28:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 16:28:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 16:28:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:28:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:28:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-08 16:28:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-08 16:28:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-08 16:28:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-08 16:28:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 16:28:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 16:28:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:28:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:28:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:28:52,020 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:28:52,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:28:52,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:28:53,081 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:28:53,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:28:53,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:28:53,873 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 16:28:53,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:53 BoogieIcfgContainer [2024-11-08 16:28:53,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:28:53,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:28:53,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:28:53,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:28:53,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:28:51" (1/3) ... [2024-11-08 16:28:53,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4200f157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:53, skipping insertion in model container [2024-11-08 16:28:53,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:51" (2/3) ... [2024-11-08 16:28:53,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4200f157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:53, skipping insertion in model container [2024-11-08 16:28:53,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:53" (3/3) ... [2024-11-08 16:28:53,885 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-11-08 16:28:53,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:28:53,904 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-11-08 16:28:53,904 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:28:54,217 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-08 16:28:54,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 149 transitions, 364 flow [2024-11-08 16:28:54,353 INFO L124 PetriNetUnfolderBase]: 14/121 cut-off events. [2024-11-08 16:28:54,355 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 16:28:54,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 121 events. 14/121 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 447 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 121. Up to 3 conditions per place. [2024-11-08 16:28:54,365 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 149 transitions, 364 flow [2024-11-08 16:28:54,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 119 transitions, 283 flow [2024-11-08 16:28:54,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:28:54,398 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6adb9025, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:28:54,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-08 16:28:54,402 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:28:54,403 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-08 16:28:54,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:28:54,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:28:54,404 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-08 16:28:54,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-08 16:28:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash 48280, now seen corresponding path program 1 times [2024-11-08 16:28:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423171616] [2024-11-08 16:28:54,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:54,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:54,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:54,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423171616] [2024-11-08 16:28:54,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423171616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:54,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:54,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:28:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504971407] [2024-11-08 16:28:54,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:54,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:28:54,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:54,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:28:54,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:28:54,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 153 [2024-11-08 16:28:54,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-08 16:28:54,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:28:54,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 153 [2024-11-08 16:28:54,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand